Since then, some 430 outdated dams have been removed from U.S. rivers, opening up habitat for fish and other aquatic organisms and letting rivers flow like rivers again.
从那时起，约430座过时的水坝在美国河流上消失，此举打通了鱼群和其他水生物的返回栖息地的通道，并重新让河流川流不息起来。
In experiments, a blindfolded harbor seal can detect the passage of a fish by using its whiskers to sense changes in flow velocity - even 30 seconds after its prey has passed by.
在试验中，一只被蒙住眼睛的海豹用胡子感应水流速的变化，从而发现鱼游动的路径——即使那猎物是在30秒以前经过那里的。
Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins.
同样，飞鱼借助胸鳍所产生的加速气流，就可以对较小的腹鳍产生一定的提升作用。
His hand was phosphorescent from skinning the fish and he watched the flow of the water against it.
他的手因为剥了鱼皮而发出磷光，他仔细察看水流怎样冲击他的手。
Nature, with its infinite wonders, can create waterfalls that flow upward and fish that fall out of the sky.
自然，与它的无限奇迹，可能创造向上流动并且钓鱼在天空外面的那个秋天的瀑布。
A fisherman has caught a lot of fish. Flow can he avoid the fish from rotting?
一位渔夫捕获了很多鱼。他要怎样才能避免这些鱼腐坏？
The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.
气力提升泵的水输送量反映了提升管进口的流速情况，而进口流速是衡量吸鱼效果的重要因素。
Taking into consideration such situation, a new flow measurement method is presented to solve the automatic flow measurement problem of silted channel by using computer vision and Lead Fish.
本文针对这一情况，提出了一种计算机自动视觉和测流铅鱼相结合的流量测量的新方法，解决了淤积河道无法全自动测流的问题。
Since then, some 430 outdated DAMS have been removed from U. S. rivers, opening up habitat for fish and other aquatic organisms and letting rivers flow like rivers again.
从那时起，约430座过时的水坝在美国河流上消失，此举打通了鱼群和其他水生物的返回栖息地的通道，并重新让河流川流不息起来。
Be sure that air can flow around the fish from all sides, including the top and bottom.
确保鱼四周的空气流通，包括鱼上方和下方。
The results obtained in the experiments reveal the effects of parameter C/U on flow characteristic and provide a physical analysis of the fish-like swimming mechanism restraining the flow separation.
揭示了特征参数C/U与流场特性的关系，探讨了鱼类波状摆动对流动分离的抑制机理。
Midstream structure, such as a large log or boulder in the middle of the current flow, can provide outstanding bass potential as the fish has a "conveyor belt" bringing food past.
河道中间的物体，比如主流中大的圆木，大圆石，有可能是极好的鲈鱼钓点，因为鱼儿有“传送带”不停的带来食物。
The waterwheel type automatic fish collection device of the utility model is driven by water flow to drag fishes from the water automatically, gathered in the fish gathering box.
本实用新型被水流推动，自动将水中鱼类捞起，集中在集鱼箱中。
The waterwheel type automatic fish collection device of the utility model is driven by water flow to drag fishes from the water automatically, gathered in the fish gathering box.
本实用新型被水流推动，自动将水中鱼类捞起，集中在集鱼箱中。
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